{
  "title": "Structural steel weld records for AI document review",
  "source_page": "https://fiund.com/industries/structural-weld-evidence-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "The coupon review follows one joint only",
    "context": "An original paper assembly and mock coupon index model document traceability. Nothing is welded or structurally evaluated.",
    "records": [
      [
        "1",
        "Joint map",
        "Assembly S7 has joints J1 and J2."
      ],
      [
        "2",
        "Coupon ledger",
        "Coupon C4 explicitly linked to J1."
      ],
      [
        "3",
        "Review index",
        "Review complete on C4; no coupon or review link for J2."
      ]
    ],
    "question": "Can J2 be marked supported by the coupon review?",
    "answer": "No. Records 2 and 3 tie the completed review to C4 and J1. Record 1 groups both joints under S7 but does not transfer the evidence to J2. Retain J2 as lacking a linked review unless a separate scope record is supplied.",
    "failureModes": [
      "Applying one joint's review to all joints in an assembly",
      "Treating a review label as a real structural qualification"
    ],
    "fields": [
      [
        "joint_id",
        "Pins document applicability"
      ],
      [
        "coupon_link",
        "Connects the reviewed item to its source"
      ],
      [
        "review_scope",
        "Prevents unsupported inheritance"
      ]
    ],
    "holdout": "Use a review explicitly listing a range of joints; verify whether J2 falls in that declared scope.",
    "boundary": "No welding procedures, technical parameters, engineering approvals or actual customer work."
  }
}